diff options
| -rw-r--r-- | docs/examples/Makefile.am | 2 | ||||
| -rw-r--r-- | docs/examples/debug.c | 128 |
2 files changed, 129 insertions, 1 deletions
diff --git a/docs/examples/Makefile.am b/docs/examples/Makefile.am index 7d7b239fa..6425707d8 100644 --- a/docs/examples/Makefile.am +++ b/docs/examples/Makefile.am @@ -9,7 +9,7 @@ EXTRA_DIST = README curlgtk.c sepheaders.c simple.c postit2.c \ ftpupload.c httpput.c simplessl.c ftpgetresp.c http-post.c \ post-callback.c multi-app.c multi-double.c multi-single.c \ multi-post.c fopen.c simplepost.c makefile.dj curlx.c https.c \ - multi-debugcallback.c fileupload.c getinfo.c ftp3rdparty.c + multi-debugcallback.c fileupload.c getinfo.c ftp3rdparty.c debug.c all: @echo "done" diff --git a/docs/examples/debug.c b/docs/examples/debug.c new file mode 100644 index 000000000..153f3839e --- /dev/null +++ b/docs/examples/debug.c @@ -0,0 +1,128 @@ +/***************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * $Id$ + */ + +#include <stdio.h> +#include <curl/curl.h> + +struct data { + char trace_ascii; /* 1 or 0 */ +}; + +static +void dump(const char *text, + FILE *stream, unsigned char *ptr, size_t size, + char nohex) +{ + size_t i; + size_t c; + + unsigned int width=0x10; + + if(nohex) + /* without the hex output, we can fit more on screen */ + width = 0x40; + + fprintf(stream, "%s, %zd bytes (0x%zx)\n", text, size, size); + + for(i=0; i<size; i+= width) { + + fprintf(stream, "%04zx: ", i); + + if(!nohex) { + /* hex not disabled, show it */ + for(c = 0; c < width; c++) + if(i+c < size) + fprintf(stream, "%02x ", ptr[i+c]); + else + fputs(" ", stream); + } + + for(c = 0; (c < width) && (i+c < size); c++) { + /* check for 0D0A; if found, skip past and start a new line of output */ + if (nohex && (i+c+1 < size) && ptr[i+c]==0x0D && ptr[i+c+1]==0x0A) { + i+=(c+2-width); + break; + } + fprintf(stream, "%c", + (ptr[i+c]>=0x20) && (ptr[i+c]<0x80)?ptr[i+c]:'.'); + /* check again for 0D0A, to avoid an extra \n if it's at width */ + if (nohex && (i+c+2 < size) && ptr[i+c+1]==0x0D && ptr[i+c+2]==0x0A) { + i+=(c+3-width); + break; + } + } + fputc('\n', stream); /* newline */ + } + fflush(stream); +} + +static +int my_trace(CURL *handle, curl_infotype type, + unsigned char *data, size_t size, + void *userp) +{ + struct data *config = (struct data *)userp; + const char *text; + (void)handle; /* prevent compiler warning */ + + switch (type) { + case CURLINFO_TEXT: + fprintf(stderr, "== Info: %s", data); + default: /* in case a new one is introduced to shock us */ + return 0; + + case CURLINFO_HEADER_OUT: + text = "=> Send header"; + break; + case CURLINFO_DATA_OUT: + text = "=> Send data"; + break; + case CURLINFO_HEADER_IN: + text = "<= Recv header"; + break; + case CURLINFO_DATA_IN: + text = "<= Recv data"; + break; + case CURLINFO_SSL_DATA_IN: + text = "<= Recv SSL data"; + break; + case CURLINFO_SSL_DATA_OUT: + text = "<= Send SSL data"; + break; + } + + dump(text, stderr, data, size, config->trace_ascii); + return 0; +} + +int main(void) +{ + CURL *curl; + CURLcode res; + struct data config; + + config.trace_ascii = 1; /* enable ascii tracing */ + + curl = curl_easy_init(); + if(curl) { + curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace); + curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &config); + + /* the DEBUGFUNCTION has no effect until we enable VERBOSE */ + curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); + + curl_easy_setopt(curl, CURLOPT_URL, "curl.haxx.se"); + res = curl_easy_perform(curl); + + /* always cleanup */ + curl_easy_cleanup(curl); + } + return 0; +} |